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    Re: Sextants with Polarizing filters
    From: Frank Reed CT
    Date: 2006 Feb 7, 00:45 EST

    Fred, you wrote:
    "The one polarizing-shade  sextant with which I have worked had
    noticeable shade error."
    
    Yes, I'm  sure plenty of polarizers have shade error. All I'm saying is that
    there shouldn't be any intrinsic reason for them to have more shade  error
    than standard shades.
    
    -FER
    42.0N 87.7W, or 41.4N  72.1W.
    www.HistoricalAtlas.com/lunars
    
    
    

       
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